Institute Newton C. Braga

Circuit Bench

Hartley for 1 MHz (CB25588E)
This oscillator was found in the July 1993 Electronics Now magazine. The coil is wound with...
Clocked Flip Flop 7400 (CB22413E)
This TTL circuit uses 5 NAND gates of 7400 integrated circuits. It must be powered with 5...
6 V Triac photo control (CB8314E)
This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac...